US 12,232,921 B2
Root canal therapy device with mechanical vibration mode and rotation drive mode
Zhong Wang, Guangdong (CN); and Jing Song Zhou, Guangdong (CN)
Assigned to SHENZHEN SUPERLINE TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 17/769,339
Filed by SHENZHEN SUPERLINE TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Mar. 15, 2021, PCT No. PCT/CN2021/080776
§ 371(c)(1), (2) Date Apr. 15, 2022,
PCT Pub. No. WO2022/188190, PCT Pub. Date Sep. 15, 2022.
Claims priority of application No. 202110268684.3 (CN), filed on Mar. 12, 2021.
Prior Publication US 2023/0157787 A1, May 25, 2023
Int. Cl. A61C 5/42 (2017.01); A61C 1/00 (2006.01); A61C 1/07 (2006.01); A61C 1/18 (2006.01)
CPC A61C 5/42 (2017.02) [A61C 1/003 (2013.01); A61C 1/07 (2013.01); A61C 1/185 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A root canal therapy device with mechanical vibration mode and rotation drive mode, comprising a head, a handle, a first flexible drive shaft and a second flexible drive shaft,
wherein the head comprises an outer main part, a mandrel part used for mounting a root canal file, a first drive input shaft part and a second drive input shaft part,
the mandrel part is mounted in the outer main part,
a first drive motor and a second drive motor are disposed on the handle,
the first drive motor is connected to the first drive input shaft part through the first flexible drive shaft, and the first drive input shaft part is connected to the mandrel part and drives the mandrel part to rotate,
the second drive motor is connected to the second drive input shaft part through the second flexible drive shaft, and the second drive input shaft part is connected to the mandrel part and drives the mandrel part to vibrate mechanically;
wherein the second drive input shaft part comprises a vibration input shaft, a wheel, an eccentric shaft, a connecting plate and a vibration output shaft,
the vibration input shaft has an end connected to the second flexible drive shaft and an end connected to the wheel,
the eccentric shaft is mounted on the wheel, the connecting plate is mounted on the eccentric shaft, the vibration output shaft is mounted on the connecting plate, and the vibration output shaft is connected to the mandrel part and drives the mandrel part to vibrate mechanically.